BlogEngineering, benchmarks and field notes→

Field notes on browsers
for AI agents.

What we learn running real browsers for AI agents, from the engineers who build Driver.

How We Gave Every Sandbox a GPU Without SR-IOV

How we delivered hardware-class GPU acceleration to thousands of ephemeral sandboxes without relying on SR-IOV — and what we learned about scheduling, isolation, and density along the way.

Alexander SpringJun 14, 2026 · 5 min read

Latest

A wall of cloud phones, each labelled with its device ID, running apps at the same time

EngineeringApr 5, 2026 · 5 min

We ran an unblockable swarm of 2,000 cloud phones so agents can use apps like a human

Inside the architecture behind 2,000 concurrent cloud phones that stay indistinguishable from real devices, so agents can drive real apps the way a human would.

Browser Use Stealth Bench results for driver.dev

EngineeringMar 29, 2026 · 5 min

We put browsers on thousands of people's devices so antibots can't block us

Why we run browsers on real residential devices, how it keeps anti-bot systems from blocking us, and the trade-offs of building on a distributed edge.

Field notes on browsers for AI agents.

How We Gave Every Sandbox a GPU Without SR-IOV

Latest

We ran an unblockable swarm of 2,000 cloud phones so agents can use apps like a human

We put browsers on thousands of people's devices so antibots can't block us

Field notes on browsers
for AI agents.